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vitfil [10]
3 years ago
8

the jones family paid $150 to a painting contractor to stain their 12 ft by 15 ft deck. The smith family 16 ft by 20 ft. What pr

ice should the Smith family expect to pay to have their deck stained
Mathematics
1 answer:
vitfil [10]3 years ago
8 0
12ft x 15ft = 180ft divided $150 = 1.2(this is how much the fts cost)
16ft x 20ft = 320ft divided by 1.2 = $266.66
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marshall27 [118]
0 solutions

move the x to one side, and the numbers to the other.

12x (-12x) + 32 (-32)= 12 (-12x) - 7 (-32)

12x - 12x = -7 - 32

0 = -39

0 ≠ -39

∴ you have 0 solutions

hope this helps


4 0
4 years ago
Read 2 more answers
What are the coordinates of the roots of the equation x sqaured + 4x + 3= 0
scZoUnD [109]

Answer:

a

x

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+

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x

+

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the formula for the roots is

x

=

−

b

±

√

b

2

−

4

a

c

2

a

(

1

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a

,

b

,

&

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cmp

a

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+

b

x

+

c

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a

=

1

b

=

4

c

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(

2

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Substitute these numbers into eh formula

x

=

−

4

±

√

4

2

−

(

4

×

1

×

3

)

2

×

1

(

3

)

Carefully proceed and do the calculations

x

=

−

4

±

√

16

−

12

2

x

=

−

4

±

√

4

2

x

=

−

4

±

2

2

now calculate the two separate solutions

x

1

=

−

4

+

2

2

=

−

2

2

=

−

1

x

2

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−

4

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2

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6

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Answer link

Step-by-step explanation:

8 0
2 years ago
Find the length of the arc.
Arte-miy333 [17]
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We know

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\boxed{\sf L=\dfrac{\theta}{360}\times 2πr}

\\ \sf\longmapsto L=\dfrac{135}{360}\times2π(7)

\\ \sf\longmapsto L=\dfrac{27}{72}\times 14π

\\ \sf\longmapsto L=\dfrac{27}{36}\times 14π

\\ \sf\longmapsto L=\dfrac{9}{12}\times 7π

\\ \sf\longmapsto L=\dfrac{63π}{12}

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6 0
3 years ago
0.8 is 10 times as great as wich decimal?
cestrela7 [59]
I don't know what to say, I've been trying to explain this for like... 10 minutes but I can't think of how to explain it. All I can say is to just divide .8 by 10. The answer is .08.
6 0
4 years ago
Polygon MNOPQ is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image M′N′O′P′Q′.
Goryan [66]
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Answer:
The slope of line M`N` is : B ) 1
4 0
3 years ago
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